﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int nSo;
            nSo = int.Parse(Console.ReadLine());
            switch (nSo)
            {
                case 5:
                    Console.WriteLine("Thu nam");
                    break;
                case 2:
                    Console.WriteLine("Thu hai");
                    break;
                default:
                    Console.WriteLine("Cac ngay con lai.");
                    break;
            }
            Console.ReadLine();
        }
    }
}
